1  /* PR middle-end/68582 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wunused-function" } */
       4  
       5  /* We failed to give the warning for functions with TREE_THIS_VOLATILE set.  */
       6  
       7  static void
       8  fn1 (void) /* { dg-warning "defined but not used" } */
       9  {
      10    __builtin_abort ();
      11  }
      12  
      13  __attribute__ ((noreturn))
      14  static void
      15  fn2 (void) /* { dg-warning "defined but not used" } */
      16  {
      17    __builtin_abort ();
      18  }
      19  
      20  __attribute__ ((volatile))
      21  static void
      22  fn3 (void) /* { dg-warning "defined but not used" } */
      23  {
      24    __builtin_abort ();
      25  }